Hello everybody,

I'm dealing with this problem already for a couple of days and I got really stuck, I just need to understand in plain English or Spanish (lol) how to deal with this problem.

Here is the problem:

Let be a polynomial of order , that is .

Prove that .

Note: , but may be negative for .

Hint: use the highest index for which .

[How can I prove that? and what is ???]